Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Operating activities
Net loss	$ (82,819)	$ (11,959)
Adjustments to reconcile net loss to net cash used by operating activities:
Depreciation and amortization	17,212	16,589
Debt amortization/interest	6,810	7,432
Debt retirement costs	55,599	0
Debt retirement costs	(34,347)	0
Loss on foreign currency transactions	11,075	9,034
Restructuring and asset impairment charges	2,776	0
Stock-based compensation	1,712	3,297
Changes in operating assets and liabilities, net	(182,574)	(236,228)
Other, net	387	919
Net cash used by operating activities	(169,822)	(210,916)
Investing activities
Purchases of property, plant and equipment	(11,937)	(20,433)
Proceeds from sale of property, plant and equipment	667	835
Restricted cash	391	7,611
Other, net	(573)	(888)
Net cash used by investing activities	(11,452)	(12,875)
Financing activities
Net proceeds from short-term borrowings	307,805	121,526
Proceeds from long-term borrowings	885,300	228,060
Repayment of long-term borrowings	(960,894)	(44,821)
Debt issuance cost	(21,938)	(5,759)
Net cash provided by financing activities	175,926	299,006
Effect of exchange rate changes on cash	(1,248)	(241)
Increase (decrease) in cash and cash equivalents	(6,596)	74,974
Cash and cash equivalents at beginning of period	92,026	119,743
Cash and cash equivalents at end of period	85,430	194,717
Other information:
Interest	50,457	47,843
Taxes	$ 5,697	$ 10,795